files.t revision 1.24 
1use strict;
2use warnings;
3
4use Digest::MD5 qw(md5 md5_hex md5_base64);
5
6print "1..3\n";
7
8# To update the EBCDIC section even on a Latin 1 platform,
9# run this script with $ENV{EBCDIC_MD5SUM} set to a true value.
10# (You'll need to have Perl 5.7.3 or later, to have the Encode installed.)
11# (And remember that under the Perl core distribution you should
12#  also have the $ENV{PERL_CORE} set to a true value.)
13
14my $EXPECT;
15if (ord "A" == 193) { # EBCDIC
16    $EXPECT = <<EOT;
170956ffb4f6416082b27d6680b4cf73fc  README
183fce99bf3f4df26d65843a6990849df0  MD5.xs
19276da0aa4e9a08b7fe09430c9c5690aa  rfc1321.txt
20EOT
21} else {
22    # This is the output of: 'md5sum README MD5.xs rfc1321.txt'
23    $EXPECT = <<EOT;
242f93400875dbb56f36691d5f69f3eba5  README
2516d90fd139c5eae51f786daa1ea6eb24  MD5.xs
26754b9db19f79dbc4992f7166eb0f37ce  rfc1321.txt
27EOT
28}
29
30if (!(-f "README") && -f "../README") {
31   chdir("..") or die "Can't chdir: $!";
32}
33
34my $testno = 0;
35
36my $B64 = 1;
37eval { require MIME::Base64; };
38if ($@) {
39    print "# $@: Will not test base64 methods\n";
40    $B64 = 0;
41}
42
43for (split /^/, $EXPECT) {
44     my($md5hex, $file) = split ' ';
45     my $base = $file;
46#     print "# $base\n";
47     if ($ENV{PERL_CORE}) {
48         # Don't have these in core.
49         if ($file eq 'rfc1321.txt' or $file eq 'README') {
50	     print "ok ", ++$testno, " # Skip: PERL_CORE\n";
51	     next;
52	 }
53     }
54#     print "# file = $file\n";
55     unless (-f $file) {
56	warn "No such file: $file\n";
57	next;
58     }
59     if ($ENV{EBCDIC_MD5SUM}) {
60         require Encode;
61	 my $data = cat_file($file);	
62	 Encode::from_to($data, 'latin1', 'cp1047');
63	 print md5_hex($data), "  $base\n";
64	 next;
65     }
66     my $md5bin = pack("H*", $md5hex);
67     my $md5b64;
68     if ($B64) {
69	 $md5b64 = MIME::Base64::encode($md5bin, "");
70	 chop($md5b64); chop($md5b64);   # remove padding
71     }
72     my $failed;
73     my $got;
74
75     if (digest_file($file, 'digest') ne $md5bin) {
76	 print "$file: Bad digest\n";
77	 $failed++;
78     }
79
80     if (($got = digest_file($file, 'hexdigest')) ne $md5hex) {
81	 print "$file: Bad hexdigest: got $got expected $md5hex\n";
82	 $failed++;
83     }
84
85     if ($B64 && digest_file($file, 'b64digest') ne $md5b64) {
86	 print "$file: Bad b64digest\n";
87	 $failed++;
88     }
89
90     my $data = cat_file($file);
91     if (md5($data) ne $md5bin) {
92	 print "$file: md5() failed\n";
93	 $failed++;
94     }
95     if (md5_hex($data) ne $md5hex) {
96	 print "$file: md5_hex() failed\n";
97	 $failed++;
98     }
99     if ($B64 && md5_base64($data) ne $md5b64) {
100	 print "$file: md5_base64() failed\n";
101	 $failed++;
102     }
103
104     if (Digest::MD5->new->add($data)->digest ne $md5bin) {
105	 print "$file: MD5->new->add(...)->digest failed\n";
106	 $failed++;
107     }
108     if (Digest::MD5->new->add($data)->hexdigest ne $md5hex) {
109	 print "$file: MD5->new->add(...)->hexdigest failed\n";
110	 $failed++;
111     }
112     if ($B64 && Digest::MD5->new->add($data)->b64digest ne $md5b64) {
113	 print "$file: MD5->new->add(...)->b64digest failed\n";
114	 $failed++;
115     }
116
117     my @data = split //, $data;
118     if (md5(@data) ne $md5bin) {
119	 print "$file: md5(\@data) failed\n";
120	 $failed++;
121     }
122     if (Digest::MD5->new->add(@data)->digest ne $md5bin) {
123	 print "$file: MD5->new->add(\@data)->digest failed\n";
124	 $failed++;
125     }
126     my $md5 = Digest::MD5->new;
127     for (@data) {
128	 $md5->add($_);
129     }
130     if ($md5->digest ne $md5bin) {
131	 print "$file: $md5->add()-loop failed\n";
132	 $failed++;
133     }
134
135     print "not " if $failed;
136     print "ok ", ++$testno, "\n";
137}
138
139
140sub digest_file
141{
142    my($file, $method) = @_;
143    $method ||= "digest";
144    #print "$file $method\n";
145
146    open(FILE, $file) or die "Can't open $file: $!";
147    my $digest = Digest::MD5->new->addfile(*FILE)->$method();
148    close(FILE);
149
150    $digest;
151}
152
153sub cat_file
154{
155    my($file) = @_;
156    local $/;  # slurp
157    open(FILE, $file) or die "Can't open $file: $!";
158
159    # For PerlIO in case of UTF-8 locales.
160    eval 'binmode(FILE, ":bytes")' if $] >= 5.008;
161
162    my $tmp = <FILE>;
163    close(FILE);
164    $tmp;
165}
166
167